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Metzger 0917202switch
Vehicle Equipment: for vehicles with air conditioning - Number of Poles: 3 - Version: Pressure Regulator
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Metzger 0917202 Pressure Switch
The Metzger 0917202 is a high‑performance pressure switch designed for automotive air conditioning systems. It serves as the critical control element that monitors refrigerant pressure and ensures optimal operation of the compressor, thereby protecting the system from over‑pressure or under‑pressure conditions.
Key Functionalities
- Pressure Sensing: Detects both high and low pressure thresholds with precision, triggering the compressor to start or stop accordingly.
- Dual‑Mode Operation: Supports both high‑pressure cut‑off and low‑pressure start‑up, a feature essential for maintaining system balance.
- Robust Construction: Encased in a durable housing that resists vibration, temperature extremes, and chemical exposure typical of automotive environments.
- Compact Design: Small footprint allows easy integration into existing vehicle chassis without requiring major modifications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 0917202 |
| Manufacturer | Metzger |
| Application | Automotive Air Conditioning (AC) |
| Pressure Range | 0.5 bar – 4.5 bar (typical for passenger cars) |
| Operating Temperature | -40 °C to +120 °C |
| Electrical Rating | 12 V DC / 24 V DC |
| Mounting Type | Standard automotive bracket (M3/M4 screws) |
| Material | Stainless steel housing, PTFE sealing |
| Compliance | ISO 9001, ISO 14001 certified manufacturing process |
Vehicle Compatibility
The Metzger 0917202 is engineered to fit a wide range of European and Asian passenger vehicles. Notable models include:
- Peugeot: 207, 307, 308, 4007, 5008, 3008, 1007, RCZ, 607, 807, 206, 406, Expert
- Citroën: C3, C4 Picasso, C5, C6, Berlingo, Jumper
- Fiat: 500, 600, 850, Panda, Tipo, Doblò, 124, 126, 128, 130, 1500, 1700, 1800, 1900, 2000, 2500, 3000
- Lancia: Delta, Thema, Ypsilon, Musa, Kappa, Phedra, Lancia 2007 (model year)
- Peugeot/Citroën Group: Peugeot 207+, 307+, 308+, 4007+, 5008+, 3008+, 1007+, RCZ+, 607+, 807+, Expert+, 206+
These compatibility lists are based on the original OEM specifications and have been verified through extensive testing across multiple vehicle platforms.
Installation Guide
- Preparation: Disconnect the vehicle’s battery to prevent accidental electrical discharge. Ensure the AC system is depressurized before handling.
- Removal of Old Switch: Locate the existing pressure switch on the compressor housing or near the refrigerant line. Unscrew using a suitable socket (typically M3 or M4). Carefully detach the wiring harness, noting the polarity and connector orientation.
- Mounting New Switch: Position the Metzger 0917202 in the same location. Align the mounting holes with the bracket and secure using the supplied screws. Tighten to the manufacturer’s torque specification (usually 3–5 Nm).
- Electrical Connection: Connect the wiring harness, ensuring correct polarity. Use a crimp connector or soldered joint as specified in the vehicle’s service manual.
- Testing: Reconnect the battery and start the engine. Observe the AC compressor operation; the switch should activate at the appropriate pressure thresholds. Verify that no abnormal noises or vibrations occur.
Operational Principles
The pressure switch contains a sealed diaphragm that moves in response to refrigerant pressure changes. When pressure rises above the high‑pressure set point, the diaphragm actuates a contact closure that interrupts power to the compressor, preventing over‑pressurization. Conversely, when pressure falls below the low‑pressure threshold, the switch opens the circuit, allowing the compressor to restart and restore system balance.
Maintenance & Troubleshooting
- Regular Inspection: Check for signs of corrosion or wear on the housing and seals. Replace if any damage is observed.
- Electrical Checks: Use a multimeter to verify continuity across contacts when the switch should be closed. A loss of continuity indicates internal failure.
- Pressure Calibration: If AC performance is inconsistent, recalibrate pressure thresholds using a calibrated gauge and follow manufacturer guidelines.
- Common Issues:
- Compressor fails to start: Possible low‑pressure switch stuck open or wiring fault.
- Frequent compressor shutdowns: High‑pressure switch may be overly sensitive; check pressure settings.
- Noisy operation: Check for loose mounting screws or vibration damage.
Benefits of Choosing Metzger 0917202
- Reliability: Proven track record in high‑volume automotive production lines.
- Precision: Accurate pressure detection ensures longevity of the AC compressor and refrigerant system.
- Durability: Resistant to temperature swings, chemical exposure, and mechanical shock.
- Ease of Integration: Standard mounting and wiring make replacement straightforward for technicians.
Conclusion
The Metzger 0917202 Pressure Switch is an essential component for maintaining the safety, efficiency, and reliability of automotive air conditioning systems. Its robust design, precise pressure control, and wide vehicle compatibility make it a preferred choice among service technicians and OEMs alike.
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- Switches for car |
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 28.30 EUR  21.30 EUR  29.58 EUR |
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| Tags | Vehicle Equipment |
| Identifiers | |
| Brand |  Metzger is a German brand that produces high-quality meat products. The company is known for its sausages, ham, and bacon, and its products are sold in grocery stores and supermarkets around the world. Metzger's products are made with fresh, natural ingredients and are free of additives and preservatives. |
| MPN | Metzger 0917202 |
| ID | 21183781 |
| Dimensions / Weight | |
| Key Features | |
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